W9128F25RA050 GDSM Stoplog Seal Mod Drawings 3of3.pdf

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SOUTH

DAKOTA

WYOMING

MONTANA

DAKOTA

NORTH

COLORADO

NEBRASKA

LAKE

SAKAKAWEA

FORT PECK

LAKE

LAKE

OAHE

LAKE

SHARPE

LAKE

FRANCIS CASE

LEWIS AND

CLARK LAKE

RIVER

PROJECT LOCATION MAP

SCALE = NTSPROJECT

LOCATION

W A R D

M O U N T R A I L

W I L L I A M S

M C K E N Z I E

B I L L I N G S

D U N N M E R C E R

O L I V E R

M C L E A N

N O R T H D A K O T A

FORT BERTHOLD

INDIAN RESERVATION

GARRISON

DAM

PICK

CITY

RIVERDALE COLEHARBOR

UNDERWOOD

WASHBURN

HENSLER

HAZEN

STANTON

EMMET GARRISON

DODGE

BEULAH

HALLIDAY

DUNN WERNERCENTER

KILLDEER

WILLISTON

POWERS LAKE

MINOT

PARSHALL

NEW TOWN

BEAVER

LI

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LE

MISSOURI

RIVER

KNIFE

RIVER

CREEK

SPRING

CREEK

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ISSO

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IVER

LITTLE

MUDDY

RIVER

RAY

TIOGA W

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UPPER

LOSTWOOD

LAKE

LOWER

LOSTWOOD

LAKE

POWERS LAKE

COTTONWOOD

LAKE

WHITE LAKE

STANLEY

DES LACS LAKE DARLING

RIVER

SOURIS

RIVER

SHELL

CREEK

WILDWOOD

LAKE

WATFOR CITY

1370 1360

49 25

200 83

1806 23

8 52

LAKE

AUDUBON

SAKAKAWEALAKE

1420 1410

1510 1500

SNAKE CREEK

DAM

PROJECT

LOCATION

PROJECT VICINITY MAP

SCALE = NTS

MISSOURI

SOLICITATION NO.: W9128F25RA050

CONTRACT NO.:

ISSUE DATE: JUNE 2025

SCHEDULE OF DRAWINGS

SHEET ID DESCRIPTION

G-101 COVER SHEET & INDEX

C-102

S-501

C-101

S-502

S-503

GENERAL AREA PLAN

ACCESS ROUTE TO STOPLOGS

STOPLOG MODIFICATION DETAILS

STOPLOG MODIFICATION DETAILS

STOPLOG MODIFICATION DETAILS

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GARRISON DAM SPILLWAY MODIFICATION

STOPLOG MODIFICATIONS

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C-101

GENERAL AREA PLAN

NORTH

SCALE: 1" = 1000' 0 2000'1000'

GARRISON DAM

HWY 200

PICK CITY, ND

EMERGENCY SPILLWAY

RIVERDALE, ND

CR16

HWY 200

STOPLOG LOADING LOCATION

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CONTRACTOR ACCESS TOSTOP LOG LOADING LOCATION

CONTRACTOR ACCESS TOSTOP LOG LOADING LOCATION

STOP LOG LOADING LOCATION

H W

Y 200

2) VERTICAL DATUM

O

F 1988 (NAVD 88). THEY ARE BASED O

N CO

NTRO

L 13-2

13-2

GENERAL NOTES:

1) HIGHWAY 200 IS CONSTRICTED TO 25 FEET BETWEEN THE ROADWAY AND GUARDRAIL

AND THE LIGHT POST. TEMPORARY TRAFFIC CONTROL MAY BE REQUIRED TO ENSURE

PUBLIC AND CONTRACTOR SAFETY WHEN MOVING EQUIPMENT ON/OFF HIGHWAY.

2) ACCESS TO STOPLOGS CONTAINS GRASSY AREA. IT IS RECOMMENDED THAT STOPLOG

PICKUP BE COORDINATED AROUND STORM EVENTS TO AVOID MUDDY CONDITIONS.

3) CONTRACTOR SHALL MAINTAIN 20 FT MINIMUM OFFSET DISTANCE FROM SPILLWAY CHUTE

WALLS WITH SEMI TRACTORS AND LOAD HANDLING EQUIPMENT.

4) REFER TO APPENDIX A OF THE SPECIFICATION FOR ADDITIONAL SITE ACCESS PHOTOS.

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SCALE: 1"=50'

ACCESS ROUTE TO STOPLOG LOADING AREA

60' 120'0

N

E1 SCALE: 1"=500'

ACCESS ROUTE LOCATION

0 500' 1000' E9

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STOPLOG

STORAGE

LOCATION

CONTRACTOR

ACCESS TO

STOPLOG

LOADING

LOCATION

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SCALE: 1'-0"

DOWNSTREAM ELEVATIONF1 0 1' 2'6"

SCALE: 1"=1'-0"

BOTTOM VIEWK1 0 1' 2'6"

OPEN

EXISTING

W24

EXISTING

WT12x38

DOWNSTREAM

EXISTING

W24x76

S-502 J7

S-502 J1

UPSTREAM

42'-5"

NEW VERTICAL SEAL AND

CONNECTION COMPONENTS, TYP

NEW HORIZONTAL SEAL AND

CONNECTION COMPONENTS

EXISTING SKIN PLATE

EXISTING SKIN

PLATE

S-502 A9

S-503 K1

S-502 A1

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NEW VERTICAL SEAL AND

CONNECTION COMPONENTS, TYP NEW HORIZONTAL SEAL AND

CONNECTION COMPONENTS

SCALE: 1"=1'-0"

UPSTREAM ELEVATIONA1 0 1' 2'6"

EXISTING

W24x76

S-502 J7

S-502 J1

NEW SPRING NEW SEAL, BEYOND

1. MODIFY THE EXISTING STOPLOGS AS SHOWN ON THESE

DRAWINGS. THE EXISTING STOPLOGS WEIGH

APPROXIMATELY 15,400 LBS EACH. REFER TO APPENDIX

B OF THE SPECIFICATIONS FOR THE EXISTING

CONDITION STOPLOG DRAWINGS.

2. THE FABRICATOR AND FABRICATING PLANT MUST MEET

THE AISC CERTIFICATION REQUIREMENTS IN

SPECIFICATION SECTION 05 59 20 FABRICATION OF

HYDRAULIC STEEL STRUCTURES.

3. REFER TO SPECIFICATION SECTION 05 59 20

FABRICATION OF HYDRAULIC STEEL STRUCTURES FOR

FABRICATION REQUIREMENTS. WELDS TO THE SKIN

PLATE ARE FRACTURE CRITICAL AND SHALL CONFORM

TO THE REQUIREMENTS OF AWS D1.5 CHAPTER 12.

4. UNLESS OTHERWISE NOTED STEEL PLATES MUST BE

ASTM A709 GRADE 50T, MEETING THE NOTCH

TOUGHNESS REQUIREMENTS FOR NON-FRACTURE

CRITICAL TENSION COMPONENTS ZONE 2.

5. ALL WELDS MUST BE VISUALLY INSPECTED FOR 100% OF

THEIR LENGTH BY A CERTIFIED WELD INSPECTOR IN

ACCORDANCE WITH SPECIFICATION SECTION 05 59 20.

6. ALL FRACTURE CRITICAL WELDS SHALL BE INSPECTED

BY NON- DESTRUCTIVE TESTING (NDT) FOR 100% OF

THEIR LENGTH. FILLET WELDS SHALL BE INSPECTED BY

MT OR PT. THE FABRICATOR SHALL DEVELOP AND

MAINTAIN A WELD TRACKING LOG. MT THE EXISTING SKIN

PLATE UP TO 2" FROM THE NEW WELDS. REFER TO

SPECIFICATION SECTION 05 59 20.

7. SPLICING OF STEEL MEMBERS IS PROHIBITED.

8. PAINT STOPLOGS PER SPECIFICATION SECTION 09 97 02.

DRILL HOLES SHALL BE COATED WITH PRIMER AND AS

MANY VINYL COATS POSSIBLE THAT ALLOW FOR

FASTENING OF HARDWARE.

9. GRIND ALL GROOVE WELDS FLUSH.

10. ALL WELDS SHALL BE CONTINUOUS TO SEAL ALL JOINTS.

11. FACTORY VULCANIZE ALL RUBBER SEALS.

GENERAL NOTES

ABBREVIATIONS

AISC AMERICAN INSTITUTE OF STEEL CONSTRUCTION

AWS AMERICAN WELDING SOCIETY

CL CENTERLINE

DIA DIAMETER

LLV LONG LEG VERTICAL

MT MAGNETIC PARTICLE (WELD EXAMINATION)

PJP PARTIAL JOINT PENETRATION

OD OUTER DIAMETER

PL PLATE

PT DIE PENETRATE (WELD EXAMINATION)

R RADIUS

NEW SPRING

TOP OF SILL PLATE

BOTTOM OF UNDEFLECTED SEAL

TOP OF SILL PLATE

BOTTOM OF UNDEFLECTED SEAL

SLOT

FACE

SLOT

FACE

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A

.030

3' -0

.0

3' -0

.0

.063

.030

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SCALE: 1 1/2"=1'-0"

SECTIONJ1 1' 2'0 6"

SCALE: 1 1/2"=1'-0"

SECTIONJ7 1' 2'0 6"

P.

M

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LOCK NUT AND

FLAT WASHER

HOLLOW BULB 3"

EACH DIRECTION

FROM CORNER

15/16"

3/16

8" STOCK PL, SEE A9 FOR DETAILS

1.

5"

0.

0"

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.063

SS 3/8"-16, 2 12", SEE NOTE 1

W.P.

8" R TYP(1/4) 1/2

(1/4)

AT ENDS

VERT. SEAL PL, BEYOND

VERT. TAIL, BEYOND

REMOVE EXISTING PLATE

EXISTING

SLOT FACE, BEYOND

3/8" PRESET VERT.

EXISTING SKIN PL

EXISTING

W24 FLANGE

L3x2x5/16, LLV, BEND:

1/ 2"

4 1/4"

5/

8"

1/8"

1/4

1/4

EXISTING 1 3/4"

BEARING BLOCK

3/8" PRESET

SS 3/8"-16, 3 14" LONG,

SEE A1 NOTE 1

8 X 1 3 8" TYPE 316 SS

RETAINER

5/8"x1 3/8" STOCK PL, MILL TO TOLERANCES:

.5" +/- .030"

EXISTING 1/2"Ø

FIELD VERIFY

FOR SPACER AND

RETAINER PLS.

1" L3x2 LLV AND TAIL

OF HORZ. SEAL

5/8" STOCK PL

3/16

GRIND TOE AS

NECESSARY TO

AVOID SEAL FIT

UP ISSUE

1/4

1-11/16"

HORZ. J- BULB

SEAL LIMITS

4-9/16"

EXISTING

END PLATE

PREP VERT

SEAL PL FOR

PJP 1/2" LENGTH

AT END

DOWNSTREAM

DOWNSTREAM

EXISTING

WT12x38

EXISTING

WT24x76

EXISTING LONGITUDINAL

3/4" SEAL PL

3'-0"

EXISTING

SKIN PLATE

2' -9

1' -1

0" 6-

1/ 2"

CONCRETE

OGEE REF-EXISTING

SILL PL 6x3/8"

SLOPES 15/16"

PER FOOT

~3/8"-1/2" PRESET

EXISTING

SKIN PLATE

EXISTING W24

FLANGE

1/ 2"

5 1/4"

5/

8"

SEE HORIZONTAL

SEAL DETAIL

M13/S-502

FOR SEAL SIZE

SEE VERTICAL SEAL

DETAIL J13/S-502

FOR SEAL SIZE

NEW SPRING, SEE S-503

(SHOWN COMPRESSED IN SLOT)

BOTTOM OF

STOP LOG

CREST SILL PL

NOT TO SCALE

HORIZONTAL SEAL DETAILM13

NOT TO SCALE

VERTICAL SEAL DETAILJ13

SCALE: 1"=1"

HORIZONTAL SEAL SECTIONA1 0 1" 2"1/2" SCALE: 1"=1'-0"

HORIZONTAL SEAL SECTIONA9 0 1' 2'6"

TOP SEAL PL PROFILE PROJECTED

DOWNSTREAM DOWNSTREAM

1.

.0

4"

REMOVE

EXISTING PLATE

BY GRINDING

WELDS FLUSH

S-502

SLOT FACE

3' -0

A1

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NOTES:

1. TYPE 316 SS ALLEN HEAD TYPE 316 FLAT HEAD CAP SCREW, LOCK NUT, AND FLAT

WASHER; PROVIDE ISOLATION SLEEVE AND WASHER TO ISOLATE FROM CARBON STEEL

2. MITER SEAL CORNERS AND VULCANIZE INTERSECTIONS

NOT TO SCALE

CORNER ISOMETRICL17

NOTE: SEAL AND NEW STEEL ONLY SHOWN FOR CLARITY

NOT TO SCALE

CORNER ISOMETRICG17

NOTE: SEAL ONLY SHOWN FOR CLARITY

W.P.

.063

4"

SS RETAINER,

SEE A9 FOR DETAILS

4"

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S-503

EXISTING

LONGITUDINAL

SEAL PL

4" TYP(3/16)

(3/16)

EXISTING

SKIN PL

3/4"x(13/16" OR 7/8)x3 1/2"

DUROMETER (3Ø OR 4Ø)

NEOPRENE RUBBER

(2) 1/4" 316 SS SCREWS,

COUNTER BORE

AT 3/8" DEPTH,

COAT THREADS WITH

ANTI-GALVANIC COMPOUND

EXISTING TOP

LONGITUDINAL

SEAL PL

EXISTING

SLOT FACE

9/16"

3/4"x1"x3 1/2" PL

(1/4)

1/4

EXISTING

SKIN PL

EXISTING W24

FLANGE

S-503 K10

SCALE: 1"= 1"

PLANK1 SCALE: 1"= 1"

SECTIONK100 1" 2"1/2" 0 1" 2"1/2"

S-503 A6

8" PL

CL SPRING

5"

EXISTING

END PL

4"

2" PL

2", TYP 31

2", TYP

CL EYE BOLT

EYEBOLT, TYP

SCALE: 6"= 1'-0"

SPRING DETAILA1 SCALE: 6"= 1'-0"

SECTIONA6

8" x 31

2 " PL

3"0 6"1-1/2" 3"0 6"1-1/2"

8" X 7" X 1'-2" PL

4" F

LA

T

2"

2"

CL

PLATES,

AND PIPE

CL ROD

NOTES:

1. GIRDER FLANGES NOT SHOWN FOR CLARITY.

2. UNLESS NOTED OTHERWISE, NEW STEEL SHOWN IN THESE SPRING DETAILS IS ASTM A36 AND

WELDED PER AWS D1.1. AN AWS D1.1 PRE-QUALIFIED WELD PROCEDURE SPECIFICATION

MUST BE SUBMITTED TO THE GOVERNMENT AND APPROVED PRIOR TO WELDING.

3/16

TYP

2"

8"

1"

1"

4" R

32"

CL ROD

2" PL

1 116" ROD 7" LONG

3/16

3/16

3/16

3/16

3/16

3/16

2" R

HSS2.5x0.188

2 3 4" LONG

2" X 3" X 3" PL

2"

APPROX. 3 14" R

APPROX. 3 3 4" R 111

32"

" I D

8" PL

2" FLAT SS WASHER

AND DOUBLE NUTS

SS EYEBOLT FOR LIFTING,

VERTICAL CAPACITY = 2,600 LBS

CL EYEBOLT

SCALE: 6"= 1'-0"

SECTIONA11 3"0 6"1-1/2"

S-503 A11

1/4

EXISTING 1 3 4"

SLIDE BLOCK

2"

CL SCREWS

1/4

2 " X 2" X 8" PL,

TYP

ROD

GRIND FLUSH WITH

EXISTING SLIDE

BLOCK FINISH PLANE

302 SS SPRING,

LENGTH = 4" UNCOMPRESSED,

LESS THAN 2.5"AT MAX LOAD

RATE = 147 LB/IN,

OD = 1.937", WIRE DIA = 0.25",

ENDS CLOSED AND GROUND,

COAT W/ ANTI-GALVANIC

COMPOUND

NYLON WASHER AND

INSERT TO ISOLATE SS

FROM CARBON STEEL

JU

N

E